39479831140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{247771}}^1$

素因数の和:248068

約数の個数: 48

約数和(自身を含む): 85915436544

約数和(自身を除く): 46435605404

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 257, 310, 514, 620, 1028, 1285, 2570, 5140, 7967, 15934, 31868, 39835, 79670, 159340, 247771, 495542, 991084, 1238855, 2477710, 4955420, 7680901, 15361802, 30723604, 38404505, 63677147, 76809010, 127354294, 153618020, 254708588, 318385735, 636771470, 1273542940, 1973991557, 3947983114, 7895966228, 9869957785, 19739915570, 39479831140]

約数ペア:

[(1, 39479831140), (2, 19739915570), (4, 9869957785), (5, 7895966228), (10, 3947983114), (20, 1973991557), (31, 1273542940), (62, 636771470), (124, 318385735), (155, 254708588), (257, 153618020), (310, 127354294), (514, 76809010), (620, 63677147), (1028, 38404505), (1285, 30723604), (2570, 15361802), (5140, 7680901), (7967, 4955420), (15934, 2477710), (31868, 1238855), (39835, 991084), (79670, 495542), (159340, 247771)]